Tudor

Hydronaut

Name: Tudor Hydronaut
Brand: Tudor
Availability: InStock

40mm Good Value

Low $1,800

Median $1,958

High $2,463

Search Hydronaut Listings

The Tudor Hydronaut is a dive watch from before the Black Bay made vintage cues Tudor’s calling card: rounded, muscular, and distinctly modern in its own right. Its broad rotating bezel and substantial crown guards give it a purposeful look, without asking you to mistake it for a Submariner.

For that original character, start with 85190. The 40mm case keeps the proportions manageable, while the familiar ETA 2824-2 is a reassuringly straightforward movement to maintain. Pay particular attention to the bezel: its shape is part of the design’s personality, so heavily softened edges can change the watch’s appearance noticeably. Check that it turns cleanly and locates positively, and that the screw-down crown engages smoothly rather than needing persuasion.

MovementAutomatic

CaliberETA 2824-2

Case Size40mm

Water Resistance200m

What owners love

The 89190 sits low on the wrist rather than feeling perched on top of it. Owners particularly like the tapered five-link bracelet for its supple fit and how easily the watch slips under a sleeve.
The bezel action is a real pleasure: owners repeatedly praise its positive, precise feel. The way it sits recessed into the case is also a distinctive detail people appreciate rather than just another Submariner-style bezel.

Reviews & Videos

Recent Forum Listings

View All →

Hydronaut

What owners love

Reviews & Videos

Right Now on eBay

Recent Forum Listings

Other Tudor Models